Hair roller



FIG. 1 is a top, front, perspective view of a hair roller, showing mynew design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a bottom, perspective view thereof;

FIG. 9 is a top, front, perspective view thereof, shown in an openposition of use; and,

FIG. 10 is a top, rear, perspective view thereof, shown in a closedposition of use.

The broken lines in the figures illustrate portions of the article whichform no part of the claimed design.

CLAIM The ornamental design for a hair roller, as shown and described.